package com.mm.learn.mybatis;/**
 * @author wdx
 * @create 2021-09-22 14:13
 */

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

/**
 * @author wdx
 * @date 2021年09月22日 14:13
 */
@Mapper
public interface Usermapper {

    @Select("select  password from mm_user limit 1")
    public String getOne(String aa);

    @Select("select  username from mm_user limit 1")
    public String getOne();


}
